```html
<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>You-Get - 命令行媒体下载工具</title>
    <link rel="stylesheet" href="https://cdn.staticfile.org/font-awesome/6.4.0/css/all.min.css">
    <link rel="stylesheet" href="https://cdn.staticfile.org/tailwindcss/2.2.19/tailwind.min.css">
    <link href="https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;700&display=swap" rel="stylesheet">
    <script src="https://cdn.jsdelivr.net/npm/mermaid@latest/dist/mermaid.min.js"></script>
    <style>
        body {
            font-family: 'Noto Sans SC', Tahoma, Arial, Roboto, "Droid Sans", "Helvetica Neue", "Droid Sans Fallback", "Heiti SC", "Hiragino Sans GB", Simsun, sans-serif;
            background-color: #f8fafc;
            color: #1e293b;
        }
        .hero-gradient {
            background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
        }
        .card-hover {
            transition: all 0.3s ease;
        }
        .card-hover:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }
        .feature-icon {
            width: 3rem;
            height: 3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 0.5rem;
            margin-bottom: 1rem;
        }
        .drop-cap:first-letter {
            font-size: 3.5em;
            float: left;
            line-height: 0.8;
            margin-right: 0.2em;
            color: #4f46e5;
            font-family: 'Noto Serif SC', serif;
            font-weight: 700;
        }
        .code-block {
            background-color: #1e293b;
            color: #e2e8f0;
            border-radius: 0.5rem;
            padding: 1.5rem;
            font-family: monospace;
            overflow-x: auto;
        }
        .platform-logo {
            width: 40px;
            height: 40px;
            object-fit: contain;
            margin: 0.5rem;
            filter: grayscale(100%);
            transition: filter 0.3s ease;
        }
        .platform-logo:hover {
            filter: grayscale(0%);
        }
    </style>
</head>
<body>
    <!-- Hero Section -->
    <section class="hero-gradient text-white py-20 md:py-32 px-4 md:px-0">
        <div class="container mx-auto max-w-6xl px-4">
            <div class="flex flex-col md:flex-row items-center">
                <div class="md:w-1/2 mb-10 md:mb-0">
                    <h1 class="text-4xl md:text-5xl font-bold mb-4 leading-tight">You-Get</h1>
                    <h2 class="text-2xl md:text-3xl font-medium mb-6 text-indigo-200">命令行媒体下载工具</h2>
                    <p class="text-lg md:text-xl mb-8 text-indigo-100 max-w-lg">
                        从网页下载视频、音频和图片的轻量级命令行工具，支持 YouTube、哔哩哔哩等众多平台。
                    </p>
                    <div class="flex flex-col sm:flex-row gap-4">
                        <a href="https://you-get.org/" class="bg-white text-indigo-600 hover:bg-indigo-50 font-semibold py-3 px-6 rounded-lg shadow-md transition duration-300 flex items-center justify-center">
                            <i class="fas fa-globe mr-2"></i> 访问官网
                        </a>
                        <a href="#installation" class="bg-indigo-800 hover:bg-indigo-700 font-semibold py-3 px-6 rounded-lg shadow-md transition duration-300 flex items-center justify-center">
                            <i class="fas fa-download mr-2"></i> 立即安装
                        </a>
                    </div>
                </div>
                <div class="md:w-1/2 flex justify-center">
                    <div class="relative">
                        <div class="absolute -top-6 -left-6 w-full h-full border-2 border-indigo-300 rounded-xl"></div>
                        <div class="relative bg-white rounded-lg shadow-2xl overflow-hidden w-full max-w-md">
                            <div class="bg-gray-900 p-3 flex items-center">
                                <div class="flex space-x-2">
                                    <div class="w-3 h-3 rounded-full bg-red-500"></div>
                                    <div class="w-3 h-3 rounded-full bg-yellow-500"></div>
                                    <div class="w-3 h-3 rounded-full bg-green-500"></div>
                                </div>
                                <div class="text-gray-400 text-sm ml-4">terminal ~ you-get</div>
                            </div>
                            <div class="p-4 font-mono text-sm bg-gray-800 text-gray-100">
                                <div class="mb-2"><span class="text-green-400">$</span> pip install you-get</div>
                                <div class="mb-2"><span class="text-green-400">$</span> you-get https://www.bilibili.com/video/BV1GJ411x7h7</div>
                                <div class="text-gray-500">Downloading: 100% (12.4MB/12.4MB)</div>
                                <div class="text-gray-500">Merging video parts...</div>
                                <div class="mt-2 text-blue-300">Saved as: 【原神】提瓦特美食之旅.mp4</div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- Problem Solution Section -->
    <section class="py-16 px-4">
        <div class="container mx-auto max-w-6xl">
            <div class="text-center mb-16">
                <h2 class="text-3xl font-bold mb-4 text-gray-800">它能解决什么问题</h2>
                <div class="w-24 h-1 bg-indigo-500 mx-auto"></div>
            </div>
            <div class="flex flex-col md:flex-row gap-8">
                <div class="md:w-1/2 p-8 bg-white rounded-xl shadow-lg card-hover">
                    <div class="feature-icon bg-red-100 text-red-500">
                        <i class="fas fa-exclamation-triangle text-2xl"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3 text-gray-800">常见问题</h3>
                    <ul class="space-y-3 text-gray-600">
                        <li class="flex items-start">
                            <i class="fas fa-times-circle text-red-500 mt-1 mr-2"></i>
                            <span>网页媒体无法直接下载或保存</span>
                        </li>
                        <li class="flex items-start">
                            <i class="fas fa-times-circle text-red-500 mt-1 mr-2"></i>
                            <span>观看视频时被广告频繁打断</span>
                        </li>
                        <li class="flex items-start">
                            <i class="fas fa-times-circle text-red-500 mt-1 mr-2"></i>
                            <span>因地域限制无法访问某些内容</span>
                        </li>
                        <li class="flex items-start">
                            <i class="fas fa-times-circle text-red-500 mt-1 mr-2"></i>
                            <span>依赖浏览器插件或闭源软件</span>
                        </li>
                    </ul>
                </div>
                <div class="md:w-1/2 p-8 bg-white rounded-xl shadow-lg card-hover">
                    <div class="feature-icon bg-green-100 text-green-500">
                        <i class="fas fa-check-circle text-2xl"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3 text-gray-800">You-Get 的解决方案</h3>
                    <ul class="space-y-3 text-gray-600">
                        <li class="flex items-start">
                            <i class="fas fa-check-circle text-green-500 mt-1 mr-2"></i>
                            <span>直接从网页下载视频/音频/图片</span>
                        </li>
                        <li class="flex items-start">
                            <i class="fas fa-check-circle text-green-500 mt-1 mr-2"></i>
                            <span>轻量级、无广告的下载体验</span>
                        </li>
                        <li class="flex items-start">
                            <i class="fas fa-check-circle text-green-500 mt-1 mr-2"></i>
                            <span>绕过部分地域限制获取内容</span>
                        </li>
                        <li class="flex items-start">
                            <i class="fas fa-check-circle text-green-500 mt-1 mr-2"></i>
                            <span>开源命令行工具，无需浏览器插件</span>
                        </li>
                    </ul>
                </div>
            </div>
        </div>
    </section>

    <!-- Features Section -->
    <section class="py-16 px-4 bg-gray-50">
        <div class="container mx-auto max-w-6xl">
            <div class="text-center mb-16">
                <h2 class="text-3xl font-bold mb-4 text-gray-800">核心功能概述</h2>
                <div class="w-24 h-1 bg-indigo-500 mx-auto"></div>
            </div>
            <div class="grid md:grid-cols-2 lg:grid-cols-3 gap-8">
                <div class="bg-white p-6 rounded-xl shadow-md card-hover">
                    <div class="feature-icon bg-blue-100 text-blue-500">
                        <i class="fas fa-globe text-2xl"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3 text-gray-800">多平台支持</h3>
                    <p class="text-gray-600">支持 YouTube、哔哩哔哩、Niconico 等数十个网站，覆盖广泛的媒体来源。</p>
                </div>
                <div class="bg-white p-6 rounded-xl shadow-md card-hover">
                    <div class="feature-icon bg-purple-100 text-purple-500">
                        <i class="fas fa-film text-2xl"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3 text-gray-800">媒体类型多样</h3>
                    <p class="text-gray-600">可下载视频、音频及图片，满足不同内容需求。</p>
                </div>
                <div class="bg-white p-6 rounded-xl shadow-md card-hover">
                    <div class="feature-icon bg-yellow-100 text-yellow-500">
                        <i class="fas fa-play-circle text-2xl"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3 text-gray-800">流媒体播放</h3>
                    <p class="text-gray-600">支持直接将在线视频流传输到 VLC 等播放器，无需浏览器。</p>
                </div>
                <div class="bg-white p-6 rounded-xl shadow-md card-hover">
                    <div class="feature-icon bg-green-100 text-green-500">
                        <i class="fas fa-layer-group text-2xl"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3 text-gray-800">批量下载</h3>
                    <p class="text-gray-600">自动检测网页中的媒体内容，支持批量抓取和下载。</p>
                </div>
                <div class="bg-white p-6 rounded-xl shadow-md card-hover">
                    <div class="feature-icon bg-red-100 text-red-500">
                        <i class="fas fa-sliders-h text-2xl"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3 text-gray-800">质量选择</h3>
                    <p class="text-gray-600">提供多种分辨率和格式选项，灵活适配用户需求。</p>
                </div>
                <div class="bg-white p-6 rounded-xl shadow-md card-hover">
                    <div class="feature-icon bg-indigo-100 text-indigo-500">
                        <i class="fas fa-code-branch text-2xl"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3 text-gray-800">开源免费</h3>
                    <p class="text-gray-600">基于 MIT 协议开源，社区活跃，持续更新和维护。</p>
                </div>
            </div>
        </div>
    </section>

    <!-- Supported Platforms -->
    <section class="py-16 px-4">
        <div class="container mx-auto max-w-6xl">
            <div class="text-center mb-12">
                <h2 class="text-3xl font-bold mb-4 text-gray-800">支持平台</h2>
                <p class="text-gray-600 max-w-2xl mx-auto">You-Get 支持从以下主流平台下载媒体内容（部分展示）</p>
                <div class="w-24 h-1 bg-indigo-500 mx-auto mt-4"></div>
            </div>
            <div class="flex flex-wrap justify-center items-center">
                <img src="https://upload.wikimedia.org/wikipedia/commons/thumb/0/09/YouTube_full-color_icon_%282017%29.svg/2560px-YouTube_full-color_icon_%282017%29.svg.png" alt="YouTube" class="platform-logo">
                <img src="https://upload.wikimedia.org/wikipedia/commons/thumb/6/6e/Bilibili_logo.svg/1200px-Bilibili_logo.svg.png" alt="Bilibili" class="platform-logo">
                <img src="https://upload.wikimedia.org/wikipedia/commons/thumb/2/2f/Niconico_logo.svg/1200px-Niconico_logo.svg.png" alt="Niconico" class="platform-logo">
                <img src="https://upload.wikimedia.org/wikipedia/commons/thumb/a/a5/Instagram_icon.png/2048px-Instagram_icon.png" alt="Instagram" class="platform-logo">
                <img src="https://upload.wikimedia.org/wikipedia/commons/thumb/4/4f/Tumblr_logo_%28alternate%29.svg/1200px-Tumblr_logo_%28alternate%29.svg.png" alt="Tumblr" class="platform-logo">
                <img src="https://upload.wikimedia.org/wikipedia/commons/thumb/9/9e/Twitter_bird_logo_2012.svg/1200px-Twitter_bird_logo_2012.svg.png" alt="Twitter" class="platform-logo">
                <img src="https://upload.wikimedia.org/wikipedia/commons/thumb/1/19/Youku_logo.svg/1200px-Youku_logo.svg.png" alt="Youku" class="platform-logo">
                <img src="https://upload.wikimedia.org/wikipedia/commons/thumb/7/72/YouTube_TV_2017_icon.svg/2048px-YouTube_TV_2017_icon.svg.png" alt="YouTube TV" class="platform-logo">
            </div>
        </div>
    </section>

    <!-- Use Cases -->
    <section class="py-16 px-4 bg-gray-50">
        <div class="container mx-auto max-w-6xl">
            <div class="text-center mb-16">
                <h2 class="text-3xl font-bold mb-4 text-gray-800">使用场景</h2>
                <div class="w-24 h-1 bg-indigo-500 mx-auto"></div>
            </div>
            <div class="grid md:grid-cols-3 gap-8">
                <div class="bg-white p-6 rounded-xl shadow-md card-hover">
                    <div class="h-40 bg-gradient-to-r from-blue-400 to-blue-600 rounded-lg mb-4 flex items-center justify-center">
                        <i class="fas fa-book-open text-6xl text-white opacity-80"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3 text-gray-800">内容存档</h3>
                    <p class="text-gray-600">研究人员可下载哔哩哔哩教程视频进行离线学习，或保存重要资料以备查阅。</p>
                </div>
                <div class="bg-white p-6 rounded-xl shadow-md card-hover">
                    <div class="h-40 bg-gradient-to-r from-purple-400 to-purple-600 rounded-lg mb-4 flex items-center justify-center">
                        <i class="fas fa-adjust text-6xl text-white opacity-80"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3 text-gray-800">无广告观看</h3>
                    <p class="text-gray-600">用户通过流媒体功能在 VLC 播放 YouTube 视频，跳过广告干扰，获得流畅观看体验。</p>
                </div>
                <div class="bg-white p-6 rounded-xl shadow-md card-hover">
                    <div class="h-40 bg-gradient-to-r from-pink-400 to-pink-600 rounded-lg mb-4 flex items-center justify-center">
                        <i class="fas fa-palette text-6xl text-white opacity-80"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3 text-gray-800">图片抓取</h3>
                    <p class="text-gray-600">设计师从 Tumblr 页面批量下载灵感图片用于参考，或在 Pinterest 收集设计素材。</p>
                </div>
            </div>
        </div>
    </section>

    <!-- Advantages Section -->
    <section class="py-16 px-4">
        <div class="container mx-auto max-w-6xl">
            <div class="flex flex-col md:flex-row gap-12 items-center">
                <div class="md:w-1/2">
                    <h2 class="text-3xl font-bold mb-6 text-gray-800">优势与特色</h2>
                    <div class="space-y-6">
                        <div class="flex items-start">
                            <div class="bg-indigo-100 text-indigo-600 p-2 rounded-lg mr-4">
                                <i class="fas fa-check-circle text-xl"></i>
                            </div>
                            <div>
                                <h3 class="text-xl font-semibold mb-2 text-gray-800">开源免费</h3>
                                <p class="text-gray-600">基于 MIT 协议开源，无需付费，社区驱动持续更新。</p>
                            </div>
                        </div>
                        <div class="flex items-start">
                            <div class="bg-indigo-100 text-indigo-600 p-2 rounded-lg mr-4">
                                <i class="fas fa-check-circle text-xl"></i>
                            </div>
                            <div>
                                <h3 class="text-xl font-semibold mb-2 text-gray-800">平台广泛</h3>
                                <p class="text-gray-600">支持数十个主流视频、音频和图片平台。</p>
                            </div>
                        </div>
                        <div class="flex items-start">
                            <div class="bg-indigo-100 text-indigo-600 p-2 rounded-lg mr-4">
                                <i class="fas fa-check-circle text-xl"></i>
                            </div>
                            <div>
                                <h3 class="text-xl font-semibold mb-2 text-gray-800">命令行优势</h3>
                                <p class="text-gray-600">无需浏览器插件，适合技术用户，提供高度灵活性。</p>
                            </div>
                        </div>
                        <div class="flex items-start">
                            <div class="bg-indigo-100 text-indigo-600 p-2 rounded-lg mr-4">
                                <i class="fas fa-check-circle text-xl"></i>
                            </div>
                            <div>
                                <h3 class="text-xl font-semibold mb-2 text-gray-800">批处理能力</h3>
                                <p class="text-gray-600">支持批量下载和自动化操作，提高效率。</p>
                            </div>
                        </div>
                    </div>
                </div>
                <div class="md:w-1/2">
                    <div class="bg-white p-8 rounded-xl shadow-lg">
                        <h3 class="text-xl font-bold mb-4 text-gray-800">局限性</h3>
                        <ul class="space-y-4">
                            <li class="flex items-start">
                                <div class="bg-red-100 text-red-500 p-2 rounded-lg mr-4">
                                    <i class="fas fa-exclamation-circle"></i>
                                </div>
                                <div>
                                    <h4 class="font-semibold text-gray-800">部分网站受限</h4>
                                    <p class="text-gray-600">VIP 内容或特殊加密的视频可能无法下载。</p>
                                </div>
                            </li>
                            <li class="flex items-start">
                                <div class="bg-red-100 text-red-500 p-2 rounded-lg mr-4">
                                    <i class="fas fa-exclamation-circle"></i>
                                </div>
                                <div>
                                    <h4 class="font-semibold text-gray-800">命令行界面</h4>
                                    <p class="text-gray-600">对不熟悉命令行的新手不够友好。</p>
                                </div>
                            </li>
                            <li class="flex items-start">
                                <div class="bg-red-100 text-red-500 p-2 rounded-lg mr-4">
                                    <i class="fas fa-exclamation-circle"></i>
                                </div>
                                <div>
                                    <h4 class="font-semibold text-gray-800">依赖环境</h4>
                                    <p class="text-gray-600">需要 Python 运行环境和 FFmpeg 等依赖项。</p>
                                </div>
                            </li>
                        </ul>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- Installation Guide -->
    <section id="installation" class="py-16 px-4 bg-gray-50">
        <div class="container mx-auto max-w-6xl">
            <div class="text-center mb-16">
                <h2 class="text-3xl font-bold mb-4 text-gray-800">上手指南</h2>
                <div class="w-24 h-1 bg-indigo-500 mx-auto"></div>
            </div>
            <div class="bg-white rounded-xl shadow-lg overflow-hidden">
                <div class="grid md:grid-cols-5">
                    <div class="md:col-span-2 bg-indigo-600 text-white p-8">
                        <h3 class="text-2xl font-bold mb-6">开始使用 You-Get</h3>
                        <p class="mb-6 text-indigo-100">只需简单几步，即可体验强大的媒体下载功能。</p>
                        <div class="space-y-4">
                            <div class="flex items-start">
                                <div class="bg-indigo-500 text-white p-2 rounded-lg mr-4">
                                    <i class="fas fa-check"></i>
                                </div>
                                <div>
                                    <h4 class="font-semibold">完全免费</h4>
                                    <p class="text-indigo-100 text-sm">MIT 开源协议，无任何隐藏费用</p>
                                </div>
                            </div>
                            <div class="flex items-start">
                                <div class="bg-indigo-500 text-white p-2 rounded-lg mr-4">
                                    <i class="fas fa-check"></i>
                                </div>
                                <div>
                                    <h4 class="font-semibold">跨平台支持</h4>
                                    <p class="text-indigo-100 text-sm">Windows、macOS、Linux 均可使用</p>
                                </div>
                            </div>
                            <div class="flex items-start">
                                <div class="bg-indigo-500 text-white p-2 rounded-lg mr-4">
                                    <i class="fas fa-check"></i>
                                </div>
                                <div>
                                    <h4 class="font-semibold">活跃社区</h4>
                                    <p class="text-indigo-100 text-sm">GitHub 上持续更新和维护</p>
                                </div>
                            </div>
                        </div>
                    </div>
                    <div class="md:col-span-3 p-8">
                        <div class="space-y-8">
                            <div>
                                <h4 class="text-lg font-semibold mb-3 text-gray-800 flex items-center">
                                    <span class="bg-indigo-100 text-indigo-600 w-8 h-8 rounded-full flex items-center justify-center mr-3">1</span>
                                    安装 Python 3.7.4+ 和 pip
                                </h4>
                                <p class="text-gray-600 mb-3">确保系统已安装 Python 3.7.4 或更高版本，并包含 pip 包管理工具。</p>
                                <div class="code-block">
                                    <span class="text-green-400"># 检查 Python 版本</span><br>
                                    python --version<br><br>
                                    <span class="text-green-400"># 检查 pip 是否安装</span><br>
                                    pip --version
                                </div>
                            </div>
                            <div>
                                <h4 class="text-lg font-semibold mb-3 text-gray-800 flex items-center">
                                    <span class="bg-indigo-100 text-indigo-600 w-8 h-8 rounded-full flex items-center justify-center mr-3">2</span>
                                    安装 You-Get
                                </h4>
                                <div class="code-block">
                                    pip install you-get
                                </div>
                            </div>
                            <div>
                                <h4 class="text-lg font-semibold mb-3 text-gray-800 flex items-center">
                                    <span class="bg-indigo-100 text-indigo-600 w-8 h-8 rounded-full flex items-center justify-center mr-3">3</span>
                                    基本下载命令
                                </h4>
                                <div class="code-block">
                                    <span class="text-green-400"># 下载视频</span><br>
                                    you-get https://www.youtube.com/watch?v=jNQXAC9IVRw<br><br>
                                    <span class="text-green-400"># 查看可用格式</span><br>
                                    you-get -i https://www.bilibili.com/video/BV1GJ411x7h7
                                </div>
                            </div>
                            <div>
                                <h4 class="text-lg font-semibold mb-3 text-gray-800 flex items-center">
                                    <span class="bg-indigo-100 text-indigo-600 w-8 h-8 rounded-full flex items-center justify-center mr-3">4</span>
                                    可选：安装 FFmpeg
                                </h4>
                                <p class="text-gray-600 mb-3">FFmpeg 可用于合并视频片段和转换格式（如 MP4）。</p>
                                <div class="code-block">
                                    <span class="text-green-400"># Ubuntu/Debian</span><br>
                                    sudo apt install ffmpeg<br><br>
                                    <span class="text-green-400"># macOS (Homebrew)</span><br>
                                    brew install ffmpeg<br><br>
                                    <span class="text-green-400"># Windows</span><br>
                                    <span class="text-gray-400">从官网下载并添加到 PATH: https://ffmpeg.org/</span>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </section>

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        <div class="container mx-auto max-w-6xl">
            <div class="text-center mb-16">
                <h2 class="text-3xl font-bold mb-4 text-gray-800">工作流程</h2>
                <p class="text-gray-600 max-w-2xl mx-auto">You-Get 如何从网页获取媒体资源</p>
                <div class="w-24 h-1 bg-indigo-500 mx-auto mt-4"></div>
            </div>
            <div class="bg-white p-8 rounded-xl shadow-lg">
                <div class="mermaid">
                    graph LR
                    A[用户输入 URL] --> B[You-Get 解析网页]
                    B --> C{平台支持?}
                    C -->|是| D[提取媒体链接]
                    C -->|否| E[显示错误信息]
                    D --> F[获取最高/指定质量]
                    F --> G[下载到本地]
                    G --> H[合并分段(如有必要)]
                    H --> I[保存为指定格式]
                </div>
            </div>
        </div>
    </section>

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</body>
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```